Diff: usb/UsbDevice2.cpp

Revision:

0:1ed23ab1345f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usb/UsbDevice2.cpp	Tue Jun 26 14:27:45 2012 +0000
@@ -0,0 +1,133 @@
+#include "UsbDevice.h"
+//#define __DEBUG
+#include "mydbg.h"
+
+#define PORT_RESET         4
+#define PORT_POWER         8
+#define C_PORT_CONNECTION 16
+#define C_PORT_RESET      20
+
+UsbErr UsbDevice::hub_init()
+{
+    UsbErr rc;
+    uint8_t buf[9];
+    rc = controlReceive(
+          USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_DEVICE, // 0xa0 
+          GET_DESCRIPTOR, 
+          (USB_DESCRIPTOR_TYPE_HUB << 8), 0, buf, sizeof(buf));
+    DBG_ASSERT(rc == USBERR_OK);
+    DBG_ASSERT(buf[0] == 9);
+    DBG_ASSERT(buf[1] == 0x29);
+    DBG_BYTES("HUB DESCRIPTOR", buf, sizeof(buf));
+
+    m_hub_ports = buf[2];
+    VERBOSE("NbrPorts: %d\n", m_hub_ports);
+    int PwrOn2PwrGood = buf[5];
+    VERBOSE("PwrOn2PwrGood: %d %d ms\n", PwrOn2PwrGood, PwrOn2PwrGood*2);
+    VERBOSE("HubContrCurrent: %d\n", buf[6]);
+
+    rc = setConfiguration(1);    
+    DBG_ASSERT(rc == USBERR_OK);
+    
+    uint8_t status[4];
+    rc = controlReceive(
+          USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_DEVICE, // 0xa0 
+          GET_STATUS, 
+          0, 0, status, sizeof(status));
+    DBG_ASSERT(rc == USBERR_OK);
+    DBG_BYTES("HUB STATUS", status, sizeof(status));
+
+    for(int i = 1; i <= m_hub_ports; i++) {
+        rc = SetPortFeature(PORT_POWER, i);
+        DBG("PORT_POWER port=%d rc=%d\n", i, rc);
+        DBG_ASSERT(rc == USBERR_OK);
+        if (rc != USBERR_OK) {
+            return rc;
+        }
+    }
+    wait_ms(PwrOn2PwrGood*2);
+    
+    m_enumerated = true;
+    return USBERR_OK;
+}
+
+UsbErr UsbDevice::hub_poll()
+{
+    DBG("%p m_hub=%d m_port=%d m_addr=%d\n", this, m_hub, m_port, m_addr);
+    // check status
+    for(int port = 1; port <= m_hub_ports; port++) {
+        uint8_t status[4];
+        UsbErr rc = GetPortStatus(port, status, sizeof(status));
+        DBG_ASSERT(rc == USBERR_OK);
+        DBG("port=%d\n", port);
+        DBG_BYTES("STATUS", status, sizeof(status));
+        if (status[2] & 0x01) { // Connect Status Change, has changed
+            DBG_ASSERT(status[0] & 0x01);
+            ClearPortFeature(C_PORT_CONNECTION, port);
+            DBG_ASSERT(m_pMgr);
+            m_pMgr->onUsbDeviceConnected(m_addr, port);
+            return USBERR_PROCESSING;
+        }
+    }
+    return USBERR_OK;
+}
+
+UsbErr UsbDevice::hub_PortReset(int port)
+{
+    DBG("%p port=%d\n", this, port);
+    DBG_ASSERT(port >= 1);
+    SetPortReset(port);
+    // wait reset
+    for(int i = 0; i < 100; i++) {
+        uint8_t status[4];    
+        UsbErr rc = GetPortStatus(port, status, sizeof(status));
+        DBG_ASSERT(rc == USBERR_OK);
+        DBG_BYTES("RESET", status, sizeof(status));
+        if (status[2] & 0x10) { // Reset change , Reset complete
+            return USBERR_OK;
+        }
+        wait_ms(5);
+     }
+     return USBERR_ERROR;
+}
+
+UsbErr UsbDevice::SetPortFeature(int feature, int index)
+{
+    //DBG("feature=%d index=%d\n", feature, index);
+    UsbErr rc;
+    rc = controlSend(
+          USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_OTHER, 
+          SET_FEATURE, feature, index, 0, 0);
+    return rc;
+}
+
+UsbErr UsbDevice::ClearPortFeature(int feature, int index)
+{
+    UsbErr rc;
+    rc = controlSend(
+          USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_OTHER, 
+          CLEAR_FEATURE, feature, index, 0, 0);
+    return rc;
+}
+
+UsbErr UsbDevice::SetPortReset(int port)
+{
+    //DBG("port=%d\n", port);
+    UsbErr rc = SetPortFeature(PORT_RESET, port);
+    DBG_ASSERT(rc == USBERR_OK);
+    return rc;
+}
+
+UsbErr UsbDevice::GetPortStatus(int port, uint8_t* buf, int size)
+{
+    DBG_ASSERT(size == 4);
+    UsbErr rc;
+    //return USBControlTransfer(device,
+    //DEVICE_TO_HOST | REQUEST_TYPE_CLASS | RECIPIENT_OTHER,
+    //GET_STATUS,0,port,(u8*)status,4);
+
+    rc = controlReceive(
+          USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_OTHER, 
+          GET_STATUS, 0, port, buf, sizeof(buf));
+    return rc;
+}
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